/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

package cart.hibernate.orderStatus;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author BibooChung
 */
public class ManageOrderStatusServlet extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();

        String action = request.getParameter("submit");
        int orderStatusId;
        try {
            ManageOrderStatus manager = new ManageOrderStatus();

            if("add".equals(action))
                orderStatusId = manager.addOrderStatus(request.getParameter("orderStatus"));
            else if("delete".equals(action))
                manager.deleteOrderStatus(Integer.parseInt(request.getParameter("orderStatusId")));
            else if("update".equals(action)){
                int id = Integer.parseInt(request.getParameter("orderStatusId"));
                String newTier = request.getParameter("orderStatus");
                manager.updateOrderStatus(id, newTier);
            } else
                throw new IOException();


            /* TODO output your page here. You may use following sample code. */
            out.println("<!DOCTYPE html>");
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet ManageOrderStatusServlet</title>");            
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Success</h1>");
            out.println("</body>");
            out.println("</html>");
        } catch (IOException e) {
          System.err.println("Form submit value is changed\nError stack trace :\n");
          e.printStackTrace();
          
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
